From: Ferenc Wagner <wferi@niif.hu>
To: Cory Maccarrone <darkstar6262@gmail.com>
Cc: linux-input@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH] Input: gpio-keys: Support for one-directional interrupts
Date: Wed, 09 Dec 2009 12:32:20 +0100 [thread overview]
Message-ID: <87fx7kgz7f.fsf@tac.ki.iif.hu> (raw)
In-Reply-To: <1260052694-17223-1-git-send-email-darkstar6262@gmail.com> (Cory Maccarrone's message of "Sat, 5 Dec 2009 14:38:14 -0800")
Cory Maccarrone <darkstar6262@gmail.com> writes:
> The current gpio-keys driver assumes that each given GPIO has
> the ability to respond to both rising and falling interrupts
> at the same time. For some GPIOs on certain devices, the interrupt
> is only one-directional -- either rising or falling, depending on
> what's being listened for. In particular, the HTC Herald keyboard
> slide switch interrupt must be switched from rising to falling and
> back on each event, otherwise only one transition will be detected.
Interesting. Btw. I'd like to convert gpio-keys from edge-triggered to
level-triggered interrupts. Would that work for your hardware?
--
Regards,
Feri.
next prev parent reply other threads:[~2009-12-09 11:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-05 22:38 [PATCH] Input: gpio-keys: Support for one-directional interrupts Cory Maccarrone
2009-12-09 11:32 ` Ferenc Wagner [this message]
2009-12-09 16:15 ` Cory Maccarrone
2009-12-09 17:58 ` Dmitry Torokhov
2009-12-09 22:03 ` Cory Maccarrone
2009-12-11 4:03 ` Cory Maccarrone
2010-01-09 17:56 ` Cory Maccarrone
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